When fighting a spreading fire resulting from a broken fuel line, you should FIRST （）. A:look for a CO2 extinguisher B:use a soda acid extinguisher C:shut off the fuel supply D:smother the fire with rags

When fighting a spreading fire resulting from a broken fuel line, you should FIRST （）.
A:look for a CO₂ extinguisher
B:use a soda acid extinguisher
C:shut off the fuel supply
D:smother the fire with rags

出自：海船船员证

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